THE HONGKONG TELEGRAPH, MOTORING SUPPLEMENT. SATURDAY, MARCH 27, . 1926.
THE CORRECTION OF FAULTY BRAKES.
SOME COMMON AILMENTS AND HOW TO CORRECT THEM.
Brakes which are addicted to The rattling noise produced by the habit of painful squeaks and bowls are a nuisance to a driver as well as to the man who happens As the to
be following him.
maindy is fairly prevalent,it may
be that owner-drivers can gain a few helpful hints from the follow ing notes by an automotive en- sincer. Taking first the causes < "squeaky" brakes, these are listed in the following order:
1. Improper adjustment of the brake lining, producing a squeak or screech when brakes are appli ed.
2. Louse bolts and toggles, pro- during a rattling noise, generally when the car is running free.
failure to keep parts property tightened up speaks for itself.
Should grit or some foreign matter embody itself in the face of the lining, a thorough washing of the face will sometimes over
Occasionally the face of the band or drum may come the trouble.
common cause is the fact that the rivets may be protruding above the face of the lining, due to the latter wearing down."
be rusted. A
.
SUBSTITUTE FOR INNER TUBES.
GOODRICH SPONSORS.
VARIABLE-TO-LOAD
NEW TYRES *
ard manufacturers on their posi- been numerous futile attempts to ed a definite need In the commer tion that there would never be an invent something to continue the
ofal car field. The Hubbar Ace, acceptable substitute for air in pneumatic principle but avöld the pneumatic casings. Goodrich attendant difficulties that will al- as it was named by the Inventor may be qualifying Its stand by ways be imminent with air filled provides a resilient effect almost
Variable-to-load „vehicle tyres INVENTION TO REPLACE AIR- recommending its new acquistion casings. Five years ago a Chicago Identical to that provided by the
are being successfully introduced for commerical cars, but even this engineer worked out a principle FILLED CASINGS, recommendation does not lessen of injecting air into rubber and high pressure pneumatic when
In England. These tyres consist the importance of their move in compressing the cured mixture operated at its recommended pre-of a double Atmont. The inner
The inner tyre actually acquiring the patent and manufac-into a casing form. Goodrich ensure.
gineers followed the development
tyro is inflated to high pressure, turing right to his product..
The purchase of all patent and manufacturing rights to the Rub ber Ace by the B. F. Goodrich Rubber company is considered by many in the rubber industry as an
extremely significant step. The Rubber Ace is a specially designed
filled with a comparatively low alt
pressuro.
of the invention and studied the contains 47 per cent. air compress-The outer section of the 'tyre' Is' that an investigation of the Rub, automobile tyres.
The Goodrich company reports results of its application to jed in millions of tiny cells. The process for compressing the air ber Aço covering every engineer
The idea successfully carried into the compound was one of the through the experimental stages main features of the patent rights and even to-day there are many of bought by Goodrich, This pro- those original tyre fillers giving practical service. Investigation cess may, no doubt, be applicable
Ing angle revealed so much of a tyre filler substituting for the in-practical value in the idea that they feel very optimistic over its ner tubo inflated with air,
future!
Even since pneumatic inner break from the ranks of the stand-tubes have been used there have
The acceptance of the air sub- situte idea by Goodrich is the first
The majority of car manufac turers have developed the braking KG NEG ALISE devices in a scientific maner and very little trouble should be ex- Eerienced, There are perhaps one or two, however, who have not gone into the matter deep 3. Foreign material. such as enough. On such cars it will be qust, getting between the lining found, in the majority of cases, ind the drum or base, produeing a that the brake lining will be worn pronounced squeak and scoring much more in one place than in the drum or band. This may also another. Perhaps it will be very" worn close to the ends, be the result of protruding rivet much heady as the lining, wears down, while at the opposite side of the particularly in cases when steel drum practically no wear is visible, This situation has been attribut- arivets are used.
ed to the brake mechanism, By 4. Faulty contruction of brakes. tightening the toggles and form- 5, Inferior brake lining.
ing the band with. a hammer so. The most frequent cause of that it sets properly, on the drum, Zorake noise is due to improper this trouble may be reduced to a adjustraent of lining of the brakes. minimum. In some cases it has In case the brake connections are been found possible to overcome not properly adjusted, one brake this trouble by the insertion be- lining and drum of will apply more pressure to the worn the druma than the other, causing a rubber inserts.
Trouble from inferior lininga squeak and giving the car a tend eney to skid, or the lining itself is comparatively rare, although but what may not be applied properly to the there is no question brake band which will also cause there may be some linings on the a squeak. The rivets may not be furkets, which are not all that properly countersunk. On the ex-could be desired, when it conies teral type of brakes the lining to squeaking brake causes, for I should be cut one-half inch longer understand that some lininga do han the inside eitrumference of not lend themselves ton ready the band, otherwise, when the lin-seating on the brand band and ing in riveted, it will be stretched have a greater tendency to squeak
than others. from rivet to rivet so tightly as to
To avoid trouble from brakes vibrate when the brake is applied. "There should be as little tension the main things to look out after
aret
as possible between the rivets.
The brake lining should seat Just the opposite is true in the well to the drum or band and in ase of the internat type. Here the case of the external brake the lining should be cut a little should not be under tension. The Shorter than the circumference of rivets, should be well counter- band and should be stretched sunk, and the band itself should sta much na possible, but its leanform to the drum. The brake hysically impossible to ex-rods should be properly adjusted perience on internal brakes the so that the pressure queak experienced on the exter-brake is even and
euch
the toggles
al, as the conditions are wholly and nuts should not be so worn reversed.
las to rattle or to apply, pressure unevenly. Foreign material, such
Unequal Pressure. The squeak may be caused by the wear of the connecting links
of the band' so that, when the
as dirt, grit, rust, etc., should bel eliminated and a good brake lin- ing should be used.
There is no doubt but what many automobile accidents are brakes are applied, the pull of the due to bad brakes. forake rod is largely on one side considers the force
When one required to
off the band, which results in a stop a car weighing a good deal i hard pull on the one side and prae- more than a ton, and going per-| tically no pull on the other side: haps 60 miles an hour, with a Sometimes the band is bent so that fabricated material applied on a helining touches in only a couple drum or band, the diameter of
plaçes. Most linings will not which is, in many cases, only a aqueak, provided that the entire few inches-the importance of wearing surface comes in even the proper adjustment of brakes contact with the drum, but the and the proper application of lin- "instant the band is distorted, theying as well as the choice of that
will begin to squeak.
lining, is very evident.
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Famous For Reliability and Economy
Full Particulars from the Sole Agents: THE SINCERE CO.
THE TOURINGTM.
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Price, with demountables delivered in Kowloon, H.K.$965.00
(Self Starter $125.00 extra.)
It is claimed that this gives double the cushioning possible with high pressure tyres and the graduation helps to eliminate bouncing and causes the tyre to
of the market possibilities by to the manufacture of other pro- cling to and hold the surface of Goodrich sales executives reveal-ducts of rubber.
the road.
Comfort and Utility in the Ford Touring Car
f
The advantages of the improved Ford Touring Car are especially evident in unpleasant weather. The snug-fitting storm curtains give complete protection to the occupants- something of the comfort and coziness to be found in a closed car. The curtains do not need to be unfastened
4.
1:
as they open with all four doors. The improved wind- shield, windshield wiper and rear view mirror give excellent driving vision in any weather. The all-steel body and the wider and stronger brake bands are added elements of safety on slippery streets. The Ford Touring Car is sturdy, comfortable and dependable, a car of exceptional válue.
SEE THE NEW MODELS AT OUR SHOWROOM
Andrew Harper
Chatham Road, Hunghom, Kowloon: 6, Queen's Road, Central, Hongkong. Telephones:- C.4895 and K.1216.
Ford Motor Company
Detroit, U.S. A.
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